<html>
<head>
    <title>Title of the document</title>
    <base href="http://www.w3school.com/" />
    <base target="_blank" />
    <style>
        body {
            background-color: rgb(211, 39, 39);
        }
        article {
            color: red;
            font-size: 200px
        }
        div{
            color: blue;
            font-size: 100px
        }
        .div1{
            color: green;
            font-size: 50px
        }
        #i1{
            color: yellow;
            font-size: 30px
        }
    </style>
</head>
<body>
    <div  class = "div1" id = "i1">
            aaaaaaaaaaaaaaaaa
    </div>
    <div>
        bbbbbbbbbbbbbbbbbbb
</div>
<div>
    cccccccccccccccccc
</div>
    <article>
        ssssssssssssssssss
    </article>
</body>
</htm>